branch master updated (f4c4513 -> ec38437)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  f4c4513   gnu: Add gourmet.
       new  cc7fa59   guix system: Use 'mbegin' for 'install'.
       new  21caa6d   monads: Add 'mwhen' and 'munless'.
       new  b307c06   monads: Add 'lift0'.
       new  bc73aa4   doc: Adjust misleading 'user-account' example.
       new  7ce7361   derivations: Export 'derivation-builder'.
       new  ec38437   packages: Use the target's system Guile when downloading 
patches.

The 6 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 .dir-locals.el          |    2 ++
 doc/guix.texi           |    2 +-
 guix/derivations.scm    |    1 +
 guix/monads.scm         |   33 +++++++++++++++++++++++++++++++--
 guix/packages.scm       |    2 +-
 guix/scripts/system.scm |   28 ++++++++++++++++------------
 6 files changed, 52 insertions(+), 16 deletions(-)